img[src$="null.gif"] {  
    background: transparent url(../images/FamfamImageBundle.png) no-repeat scroll 0px 0px; 
    width: 16px; height: 16px; 
    margin: 0; padding: 0;
}
img.BookNextSprite { background-position: 0px 0px; }
img.BookOpenSprite { background-position: -16px 0px; }
img.BookPreviousSprite { background-position: -32px 0px; }
img.BoxSprite { background-position: -48px 0px; }
img.BrickSprite { background-position: -64px 0px; }
img.BricksSprite { background-position: -80px 0px; }
img.BrickAddSprite { background-position: -96px 0px; }
img.BrickDeleteSprite { background-position: -112px 0px; }
img.BrickEditSprite { background-position: -128px 0px; }
img.BrickErrorSprite { background-position: -144px 0px; }
img.BrickGoSprite { background-position: -160px 0px; }
img.BrickLinkSprite { background-position: -176px 0px; }
img.BriefcaseSprite { background-position: -192px 0px; }
img.BuildingSprite { background-position: -208px 0px; }
img.BuildingAddSprite { background-position: -224px 0px; }
img.BuildingDeleteSprite { background-position: -240px 0px; }
img.BuildingEditSprite { background-position: -256px 0px; }